提交 4dc40a3c 编写于 作者: C Clemens Ladisch 提交者: Jaroslav Kysela

[ALSA] usb-audio - allow type 0 extension units

USB generic driver
Extension units can have type 0, so do not ignore them when constructing
mixer controls.
Signed-off-by: NClemens Ladisch <clemens@ladisch.de>
上级 27d10f56
...@@ -1232,9 +1232,6 @@ static int build_audio_procunit(mixer_build_t *state, int unitid, unsigned char ...@@ -1232,9 +1232,6 @@ static int build_audio_procunit(mixer_build_t *state, int unitid, unsigned char
} }
type = combine_word(&dsc[4]); type = combine_word(&dsc[4]);
if (! type)
return 0; /* undefined? */
for (info = list; info && info->type; info++) for (info = list; info && info->type; info++)
if (info->type == type) if (info->type == type)
break; break;
......
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